Bortom horisonten - svensk flygspaning mot Sovjetunionen

Little was known about the Swedish intelligence gathering during the Cols War, the Soviet Union and other Warsaw Pact countries being the prime target.

Authors Lennart Andersson and Leif Hellström has written an in-depth and highly revealing account of Swedish intelligence operations, mainly via aircraft, targeted towards the Soviet Union from the late 1940 up to "recent" times.